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9f124697 - [core] Fix component device placement for split-device pipelines (#14739)

[core] Fix component device placement for split-device pipelines (#14739) * fix: component device placement for split-device pipelines DiffusionPipeline.device/`_execution_device` (#14383) already prefer any non-CPU, non-meta component so a pipeline with components split across devices (e.g. text encoder on CPU, denoising backbone on an accelerator) reports the right execution device. But several component call sites still moved a tensor to that execution `device` before handing it to a specific submodule, instead of the submodule's own device -- so encoding a prompt, encoding an IP-Adapter image, or decoding latents would crash with a device-mismatch error as soon as that submodule wasn't already sitting on the same device as everything else. Fixes three component types across the major pipeline families (StableDiffusionPipeline, StableDiffusionXLPipeline, StableDiffusion3Pipeline, FluxPipeline, Flux2(Klein)Pipeline, WanPipeline, WanImageToVideoPipeline): - Text encoder(s): `encode_prompt` / `_get_t5_prompt_embeds` / `_get_clip_prompt_embeds` now read the encoder's own `.device` instead of trusting the passed-in `device`. - VAE: the `vae.encode`/`vae.decode` calls in each `__call__`, plus `Flux2Pipeline.prepare_image_latents` (whose output also wasn't being moved back to the execution device). - image_encoder (IP-Adapter): `encode_image`, plus `run_safety_checker`'s feature-extractor input. Also fixes a cross-device bug in `WanImageToVideoPipeline.prepare_latents` and `Flux2KleinInpaintPipeline.prepare_latents`, where a vae-encoded tensor and the freshly-sampled noise tensor could end up on different devices before being combined by the scheduler. Fixed the canonical/root pipelines by hand, then ran `make fix-copies` to propagate the text-encoder/image-encoder fixes to every `# Copied from` derivative. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> * review:reduce scope * fix: fix not failing test while offloading --------- Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com> Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>